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Clotrimazole

Information

The data on hazard and risk are based on previous environmental information on fass.se. Environmental information is missing (2021-09-10). It is voluntary for manufacturers to provide information about environmental impact on fass.se. Clotrimazole is monitored within the framework of EU water legislation.

Persistence. Clotrimazole is potentially persistent.
Bioaccumulation. Clotrimazole has high potential for bioaccumulation.
Toxicity. Clotrimazole has high chronic toxicity.
Risk. The use of clotrimazole (sales data Sweden 2011) has been considered to result in insignificant environmental risk.

Detailed information

Fass environmental information

Fass environmental information for Canesten (clotrimazole) (downloaded 2013-06-25).

Hazard

Persistence: "CO2 evolution test, guideline, C.4 C (6)). Test results 0% degradation in 28 days (guideline 79/831/EEC)."

Bioaccumulation: "Log Pow 4.1 (EU guideline 92/69/EC, A.8). Since log Pow 4.1, the substance has high potential for bioaccumulation."

Chronic toxicity: There is NOEC for 3 trophic levels, lowest NOEC for crustacean (Dapnia magna) 10 microg/L.

PBT/vPvB assessment

clotrimazole is not PBT/vPvB.

Risk

PEC/PNEC is based on sales data in Sweden in year 2011. PEC/PNEC = 0.013 which gives the risk insignificant.

Pharmaceutical analyses of water in Stockholm County

Clotrimazole has been detected in treated wastewater and surface water in Region Stockholm.

Report Pharmaceutial residues in the Stockholm aquatic environment

Clotrimazole has been detected in incoming and outgoing water from Swedish wastewater treatment plants.

EU water legislation

Clotrimazole is monitored within the framework of EU water legislation. "Substances for which doubt exists about their toxicity, or for which the sensitivity, reliability or comparability of the available monitoring methods are not adequate, should not be included in the watch list. The sulfonamide antibiotic sulfamethoxazole and the diaminopyrimidine antibiotic trimethoprim, the antidepressant venlafaxine and its metabolite O-desmethylvenlafaxine, a group of three azole pharmaceuticals (clotrimazole, fluconazole and miconazole) ... The inclusion of the various pharmaceuticals is consistent with the EU Strategic Approach to Pharmaceuticals in the Environment, and the inclusion of the two antibiotics is also consistent with the European One Health Action Plan against Antimicrobial Resistance (AMR), which supports the use of the watch list to ‘improve knowledge of the occurrence and spread of antimicrobials in the environment’."

Author: Health and Medical Care Administration, Region Stockholm